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1 """ | |
2 Sane List Extension for Python-Markdown | |
3 ======================================= | |
4 | |
5 Modify the behavior of Lists in Python-Markdown to act in a sane manor. | |
6 | |
7 See <https://pythonhosted.org/Markdown/extensions/sane_lists.html> | |
8 for documentation. | |
9 | |
10 Original code Copyright 2011 [Waylan Limberg](http://achinghead.com) | |
11 | |
12 All changes Copyright 2011-2014 The Python Markdown Project | |
13 | |
14 License: [BSD](http://www.opensource.org/licenses/bsd-license.php) | |
15 | |
16 """ | |
17 | |
18 from __future__ import absolute_import | |
19 from __future__ import unicode_literals | |
20 from . import Extension | |
21 from ..blockprocessors import OListProcessor, UListProcessor | |
22 import re | |
23 | |
24 | |
25 class SaneOListProcessor(OListProcessor): | |
26 | |
27 CHILD_RE = re.compile(r'^[ ]{0,3}((\d+\.))[ ]+(.*)') | |
28 SIBLING_TAGS = ['ol'] | |
29 | |
30 | |
31 class SaneUListProcessor(UListProcessor): | |
32 | |
33 CHILD_RE = re.compile(r'^[ ]{0,3}(([*+-]))[ ]+(.*)') | |
34 SIBLING_TAGS = ['ul'] | |
35 | |
36 | |
37 class SaneListExtension(Extension): | |
38 """ Add sane lists to Markdown. """ | |
39 | |
40 def extendMarkdown(self, md, md_globals): | |
41 """ Override existing Processors. """ | |
42 md.parser.blockprocessors['olist'] = SaneOListProcessor(md.parser) | |
43 md.parser.blockprocessors['ulist'] = SaneUListProcessor(md.parser) | |
44 | |
45 | |
46 def makeExtension(*args, **kwargs): | |
47 return SaneListExtension(*args, **kwargs) | |
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